MANUFACTURED BY: |  | STIHL ANDREAS MASCHINENFABRIK |
 | | STUTTGART, GERMANY |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 2007 |
YEAR DISCONTINUED: | | |
ENGINE DISPLACEMENT: | | 64.1 ccm (3.91 cu in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 49 mm |
PISTON STROKE: | | 34 mm |
PISTON RING THICKNESS: | | 1.5 mm, 2 rings used |
CYLINDER TYPE: | | Aluminum with Chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | 4.1 at 9,500 rpm |
WEIGHT: | | 5.9 Kg, powerhead only |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Anti-Vibration |
CHAIN BRAKE: | | Inertia activated |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast Magnesium and injection molded Polymer |
MAGNETO TYPE: | | Electronic |
CARBURETOR: | | Walbro HD-19D, HD-21D |
MAJOR REPAIR KIT: | | K10-HD |
MINOR REPAIR KIT: | | D10-HD |
AIR FILTER SYSTEM: | | Nylon or Fleece type element |
STARTER TYPE: | | Automatic rewind |
OIL PUMP: | | Automatic gear driven, adjustable |
MAXIMUM ENGINE RPM: | | 9,500 under load |
IDLE RPM: | | 2,800 |
IGNITION TIMING: | | |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | |
SPARK PLUG TYPE: | | NGK BPMR7A, Bosch WSR6F, Champion RCJ6Y |
SPARK PLUG GAP: | | 0.5 mm (0.020 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 560 cc |
FUEL OIL RATIO: | | 50:1 |
RECOMMENDED FUEL OCTANE: | | Regular automotive grade |
MIX OIL SPECIFICATION: | | Stihl mix oil |
CHAIN PITCH: | | 3/8 in. (9.32 mm), 0.050 gauge or .325 in. (8.25mm) .050 gauge or .063 gauge |
CHAIN TYPE: | | Stihl RS3, RM3 |
BAR MOUNT PATTERN: | | 31 link |
SHORTEST GUIDE BAR SUPPLIED: | | 40 cm (16 in. |
LONGEST GUIDE BAR SUPPLIED: | | 61 cm (24 in.) |
COLOUR SCHEME: | | |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |